Hello,
I have experience in NodeJS, JavaScript, MongoDB. I may help you in this case. I can integrate this app into your existing app
Relevant Skills and Experience
I am full stack stack developer have experience in front-end and back-end technologies like JavaScript, AngularJS, JQuery, Bootstrap, NodeJS, ExpressJS, MongoDB, MySQL, etc.
Proposed Milestones
$60000 JMD - app integration